A Symptom Diagnosis

IMPORTANT: The following steps must be completed before using the symptom tables.
1. Perform the A Diagnostic System Check - Instrument Cluster before using the Symptom Tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to Instrument Cluster Operation.

VISUAL/PHYSICAL INSPECTION
^ Inspect for aftermarket devices which could affect the operation of the instrument panel cluster. Refer to Checking Aftermarket Accessories in Diagrams.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

INTERMITTENT
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in Diagrams.

SYMPTOM LIST
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Engine Coolant Temperature Gauge Inaccurate or Inoperative
^ Fuel Gauge Inaccurate or Inoperative
^ Speedometer and/or Odometer Inoperative
^ Tachometer Inaccurate
^ Tachometer Inoperative
^ CHANGE ENGINE OIL Message Always On
^ CHANGE ENGINE OIL Message Inoperative
^ DOOR AJAR Message Always On
^ DOOR AJAR Message Inoperative
^ Engine Coolant Temperature Indicator Always On
^ Engine Coolant Temperature Indicator Inoperative
^ ENGINE OIL PRESSURE Message Always On
^ ENGINE OIL PRESSURE Message Inoperative
^ Fasten Safety Belt Indicator/Chime Always On
^ Fasten Safety Belt Indicator/Chime Inoperative
^ Low Engine Coolant Indicator Always On
^ Low Engine Coolant Indicator Inoperative
^ Low Engine Oil Level Indicator Always On
^ Low Engine Oil Level Indicator Inoperative
^ Low Fluid Level Indicator Always On
^ Low Fluid Level Indicator Inoperative
^ LOW FUEL Message Always On
^ LOW FUEL Message Inoperative
^ SERVICE VEHICLE SOON Message Always On
^ SERVICE VEHICLE SOON Message Inoperative
^ Turn Signal Indicator Inoperative - Left
^ Turn Signal Indicator Inoperative - Right
^ Driver Information Center (DIC) Switch(es) Inoperative
^ Driver Information Center (DIC) Switch Inoperative - Mode
^ Driver Information Center (DIC) Switch Inoperative - Reset
^ Driver Information Center (DIC) Switch Inoperative - English/Metric